228118275 has 270 divisors, whose sum is σ = 568726620. Its totient is φ = 89812800.

The previous prime is 228118271. The next prime is 228118327. The reversal of 228118275 is 572811822.

228118275 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 228118275 - 2² = 228118271 is a prime.

It is not an unprimeable number, because it can be changed into a prime (228118271) by changing a digit.

It is a polite number, since it can be written in 269 ways as a sum of consecutive naturals, for example, 12006216 + ... + 12006234.

Almost surely, 2^228118275 is an apocalyptic number.

228118275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

228118275 is an abundant number, since it is smaller than the sum of its proper divisors (340608345).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228118275 is a wasteful number, since it uses less digits than its factorization.

228118275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77 (or 45 counting only the distinct ones).

The product of its digits is 17920, while the sum is 36.

The square root of 228118275 is about 15103.5848393684. The cubic root of 228118275 is about 611.0170929437.

The spelling of 228118275 in words is "two hundred twenty-eight million, one hundred eighteen thousand, two hundred seventy-five".